extra credit 2 - 1 In this reception process scientists...

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1. In this reception process, scientists observe phosphorylation of an amino acid. What type of receptor was observed? (Analysis of membrane receptors – HOCS) A. Receptor tyrosine kinases (Correct) B. Ligand-gated ion channel C. G protein-coupled receptor D. cAMP E. Adenylyl cyclase 2. The concentration of cAMP in a cell has suddenly increased by 20-fold in a matter of seconds. What is a possible cause? (Analysis of cyclic AMP production – HOCS) A. Epinephrine was introduced to the extracellular fluid around the cell. (Correct) B. The protein-signaling pathway led to a cellular response where cAMP synthesis was accelerated. C. The concentration of calcium ions outside the cell was increased. D. Both A and B. E. None of the above. 3. A rare mutation is discovered in the lab where, during mitosis in a cell, nonkinetochore microtubules do not grow to be long enough for the microtubules at the opposite poles to meet. Which of the following would be an immediate consequence? (Analysis of
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extra credit 2 - 1 In this reception process scientists...

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